Delete the rolling cache and set a new size (so it compiles). Then it works. At least for me.
Are you in the SU2 Beta? I’m in it and It seems fixed.
Okay I found what fixed it for me. The Zendesk in the Asobo or MSFS website under common problems has 3 solutions. I recommend following all of them to the t. It was weird had to reset my MSFS account startup in game. Also make sure the date and time is set current in your settings in Windows. I know it’s sounds stupid but mine wasnt synced.
Did that. But did not work 
They said they resolved the server issue permanently; they obviously lied!
I think after the launch of the recent software, the servers are getting overwhelmed again and cannot handle the traffic, thus, bigger airport are impossible to stream!
Can you please provide the link
Thanks
I have exactly the same now for about a week. Pick an airport (EBBR, EDLW, ESSA, …) click start flight, and the sim starts loading infinitely (or at least +8h, until I switched of the PC). I sometimes can press ESC to go back to the previous screen, but that frequently results in a crash to desktop. No amount of LOD changing or zooming in or out helps. Also tried with an empty community folder, no success. Tried changing the rolling cache size, repairing the installation, nothing works. Seems very much a case of overloaded servers (again).
Flying the Zibo 737-800 in X-Plane 11 for now, if things don’t get fixed by next weekend, I’m probably going to upgrade to X-Plane 12 and buy the Toliss A320.
Really disappointed by this, Microsoft and Asobo. 
Four days now and the servers are getting slower everyday. Have to wait 15 mins before I can even try a free flight. This is getting worse all the time.
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I experience the same issue in MSFS2024 today. Flight wont load and sim wont shut down properly.
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Still having this exact issue with the latest SU3 beta build.
Same issue. I’m troubleshooting an issue at KMIA where I need to begin a flight there, end the flight, then move to a different location at the same airport and start the flight again. The initial load into KMIA works fine but when I try to go there again, I have the loading issue. When I try exiting the sim, it gets hung up and I have to open Task Manager to close the sim. This only seems to happen to me at large airports such as KMIA and KPHL.
Resolved for me @ 2024 with SU2. 
To the team! Great job!
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ISSUE DESCRIPTION
Description of the issue:
When setting up for a free flight, you get to the point before the animation to the starting point, it hangs with a spinning circle bottom right hand corner and does not progress
[PC Only] Did you remove all your community mods/add-ons? If yes, are you still experiencing the issue?yes
FREQUENCY OF ISSUE
How often does this occur for you (Example: Just once, every time on sim load, intermittently)?
70%
REPRODUCTION STEPS
Please list clear steps you took in order to help our test team reproduce the same issue:
- Setup plane, location airport and either parked or on runway
- Click fly
- stuck on loading screen animation
YOUR SETTINGS
If the issue still occurs with no mods and add-ons, please continue to report your issue. If not, please move this post to the User Support Hub.
What peripherals are you using, if relevant:
na
[PC Only] Are you using Developer Mode or have you made any changes to it?
no
[PC, MSFS 2020 Only] Are you using DX11 or DX12?
dx12
[PC Only] Many issues may be due to an outdated graphics card. Please state your Graphics Card Driver Manufacturer (NVIDIA, Intel, AMD) and Version:
nvidia latest driver for 4090 and 4070
[PC Only] What other relevant PC specs can you share?
high end 9800x3d 64gb ddr5 ram
MEDIA
Please add a screenshot or video of the issue occurring.
[END OF FIRST USER REPORT]
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Do you have the same issue if you follow the OP’s steps to reproduce it?
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If relevant, provide additional screenshots/video:
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This issue is still very much active in the latest SU3 Beta build… It’s been happening pretty frequently- I’d say about 1 out of every 3 or so.
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Do you have the same issue if you follow the OP’s steps to reproduce it?
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Yes
Provide extra information to complete the original description of the issue:
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Even with Terrain LOD at the lowest-10.
This issue is still very much active in the latest SU3 Beta build as it’s been happening pretty frequently- I’d say about 1 out of every 3 or so.
If relevant, provide additional screenshots/video:
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Do we know if this issue will persist as SU3 builds continue towards final?
Would love to see this fixed, so a workaround would no longer be necessary-maybe something for SU4.
It is back for me. Mainly in the Seattle area. New York took about 4 minutes to load as well. Figured this was solved.
Correction: it does load…eventually. Took me 7 minutes until I could jump into the plane.
+1 I’ve been noticing this issue lately again and it’s so ■■■■ annoying! Also latest SU3 Beta Build.
This is still happening in latest SU3 Build. Did they ever come back with information when this will be fixed?
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